During March 2025, Peter Song focused on enhancing the test infrastructure for the celestiaorg/celestia-app repository, specifically within the blob module. He refactored the integration tests by replacing manual temporary directory creation with Go’s t.TempDir() utility, streamlining test setup and ensuring automatic cleanup. This approach reduced the maintenance burden and improved the reliability of the test suite by eliminating manual filesystem management. Peter applied his skills in Go, refactoring, and testing to deliver a targeted feature that addressed test stability. The work demonstrated a thoughtful approach to maintainability, though it was limited in scope to a single feature update.